Adjustable oxygen concentration: supply continuous flow 1-7L/min adjustable, 35%-93%.Portable and lightweight: only 6.5kg, Could
work plug-in home power supply(AC 110V )for continuous working 24 hours a day if you do not set timer. Intelligent Control:IMD
beautiful large color panel, easy to operate, large color LED screen, Flow regulation, voice broadcast function, timer operation
function and with infrared remote control, let it be easier and more convenient.